decimals
perimeter
percentage
bidmas
fractions
100

5x10

50

100

3cm+5cm+7cm

15cm

100

50% of 10

5

100

4x2+3

11

100

1/2 + 1/2

2/2 or 1 whole

200

8.3x10

0.83

200

5cm+4cm+5cm+4cm

18cm

200

15% of 80

12

200

(6+3) divide 3

3

200

5/6 + 1/6

6/6 

300

2.415x20

42.9

300

6cm+2cm+10cm+9cm

27cm

300

10% of 70

7

300

(9 divide 3+6) divide 9

1

300

7/11 + 3/11

10/11

400

31.26x30

397.8

400

6cm+6cm+6cm+6cm

24cm

400

10% of 60

6

400

7-3x2

8

400

3/8 + 2/8

5/8

500

90.49 divide 100

0.9049

500

5cm+5cm+5cm+5cm

20cm

500

10% of 90

9

500

(12-6)divide 5

1.2

500

4/12 + 3/12

7/12